On Tue, 2014-12-09 at 04:37 +0100, Gero Peterhoff wrote: > Am 09.12.2014 um 02:57 schrieb David Wohlferd: > > How about something like this: > > > > http://stackoverflow.com/a/13825238/2189500 > > > > dw > > > > On 12/8/2014 5:22 PM, Gero Peterhoff wrote: > >> Hello, > >> How do I turn off auto-vectorisation for a given loop in a template? > >> The template function / method must be inline. > >> > >> Thanks for the help > >> > > > > . > > > Hello dw, > That's my problem - it just does not work. The __attribute __ ((optimize ("no-tree-vectorize"))) > works ONLY for NON-inline functions / methods. With inline functions / methods, it is ignored by > the compiler - there this attribute must be set already in the surrounding context. However, I am > working on a generic library. Since I can not require that the user sets various compiler-specific > attributes this to work them properly. This is a known issue and there's a PR for it: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61882 Cheers, Oleg
